sandwich board

either of two connected boards,usu carrying advertisements and hung over the shoulders of a person (a `sandwich man) who walks about the streets to display them 夹板广告牌（游街宣传员胸前背後挂的广告牌, 这种宣传员称 sandwich man 夹板广告员）.

sand-blast, sand-castle, sand-dune, sand-fly, sand-pit, sand-shoes, sand-yacht, sandal, sandalled, sandalwood, sandbag, sandbank, sandboy, sandiness, sandpaper, sandpiper, sands, sandstone, sandstorm, sandwich, sandwich course, sandy, sane, sanely, sang, sang-froid, sangria, sanguinary, sanguine, sanguinely, sanguineness, sanitarium, sanitorium, sanitary, sanitary towel, `sanitary pad, sanitation, sanitize, sanitise, sanity, sank, sanserif, Santa Claus,